GEOROC Sample Information

Location
Latitude 52.33 | Longitude -174.17
ALEUTIAN ARC / CENTRAL ALEUTIAN ARC / ATKA / KLIUCHEF
CONVERGENT MARGIN

Reference

MYERS J. D.,FROST C. D.,MARSH B. D.,LINTON J. A.

PETROLOGIC CONSTRAINTS ON THE SPATIAL DISTRIBUTION OF CRUSTAL MAGMA CHAMBERS, ATKA VOLCANIC CENTER, CENTRAL ALEUTIAN ARC

CONTRIB. MINERAL. PETROL. 143 [2002] 567-586

Sample Name: AT-88

Sample Information

DACITE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

ND143_ND1440.512999
PB206_PB20418.83
PB207_PB20415.566
PB208_PB20438.386
SR87_SR860.70344
AL2O316.4 WT%
CAO2.76 WT%
FE2O31.56 WT%
FEO2.96 WT%
FEOT4.36 WT%
K2O3.68 WT%
MGO0.94 WT%
MNO0.17 WT%
NA2O5.13 WT%
P2O50.18 WT%
SIO266.7 WT%
TIO20.54 WT%
CE52.8 PPM
DY6.94 PPM
ER5.19 PPM
EU1.23 PPM
GD6.89 PPM
LA22.2 PPM
ND28.1 PPM
SM6.99 PPM
YB4.77 PPM
BA889 PPM
CR6 PPM
CU35 PPM
NI3 PPM
SC12 PPM
SR210 PPM
V49 PPM
Y47.2 PPM
ZR271 PPM

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AB62 MOL%
AN33.8 MOL%
OR4.3 MOL%
AL2O326.03 WT%
CAO6.72 WT%
FE2O30.4 WT%
K2O0.72 WT%
NA2O6.82 WT%
SIO260.2 WT%

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE

EN40.6 MOL%
FS18.8 MOL%
WO40.7 MOL%
AL2O31.41 WT%
CAO19.19 WT%
FEOT13.19 WT%
MGO13.76 WT%
MNO0.8 WT%
NA2O0.21 WT%
SIO251.55 WT%
TIO20.35 WT%